Natrolite & friends
Article Abstract:
Natrolite crystals and others of its kind are merely facetable materials with no practical use in jewelry. The most common of these is natrolite, which has a clear interior but frosted surface. While scolecites grow like sprays of white needles, mesolites are smoother and more slender.
Publication Name: Lapidary Journal
Subject: Hobbies and crafts
ISSN: 0023-8457
Year: 1996
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Hauyne or hauynite
Article Abstract:
Hauyne is a blue to colorless mineral named after the French mineralogist Abbe Rene Just Hauy. Hauy was responsible for several theories and names of minerals. Hauyne is associated with low silica basalts and could be found in Germany, Tahiti and Italy.
Publication Name: Lapidary Journal
Subject: Hobbies and crafts
ISSN: 0023-8457
Year: 1993
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"La Marcasite"
Article Abstract:
Marcasite has a composition similar to that of pyrite's, although it has an orthorhombic crystal structure. The mineral has an opaque metallic luster and possesses a pale yellow color. It is very brittle and fractures unevenly.
Publication Name: Lapidary Journal
Subject: Hobbies and crafts
ISSN: 0023-8457
Year: 1996
User Contributions:
Comment about this article or add new information about this topic:
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